Manufacturers

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Discount Stamp Collecting Supplies.

Welcome to the Potomac Supplies on-line Philatelic Accessories Store. We offer items from most of the major philatelic manufacturers. You can find just about anything you need for stamp collecting in one place. Not just a web page! Please come visit us in Bethesda Maryland.

Please see our Conditions of Use page. We accept orders from the US, and Canada only. Specialty items may not be in stock, and are ordered as requested. Give us a call, toll free at 1-800-426-5723, to check availability. Additional shipping fees may apply for items larger in size, and heavier in weight.